Revision 1651077

Merge r1601184, r1601274, r1601185 from trunk:

mod_ssl: Ensure that the SSL close notify alert is flushed to the client.
         PR54998.

Submitted By: Tim Kosse <tim.kosse filezilla-project.org>, ylavic
Committed By: ylavic


mod_ssl: SSL_smart_shutdown(): follow up to r1601184.
Use SSL_get_wbio() to comply with OPENSSL_NO_SSL_INTERN.
Stop SSL shutdown loop when flush fails.


mpm_event[opt]: Send the SSL close notify alert when the KeepAliveTimeout
                expires. PR54998.

Submitted by: ylavic
Reviewed/backported by: jim